Title :
Optically controlled terahertz filtering, beam steering, and imaging
Author :
Busch, Stefan F. ; Schumann, Steffen ; Scherger, Benedikt ; Jansen, Christian ; Scheller, Maik ; Fischer, Bernd ; Koch, Martin
Author_Institution :
Fachbereich Phys., Philipps-Univ. Marburg, Marburg, Germany
Abstract :
Using structured illumination of a silicon waver we demonstrate THz imaging and beam steering of transmitted THz waves. If additional gratings are used to spatially disperse the different frequency components the technique can be modified to build tunable THz filters.
Keywords :
beam steering; diffraction gratings; elemental semiconductors; optical filters; silicon; terahertz wave imaging; terahertz wave spectra; Si; gratings; optically controlled terahertz filtering; silicon wafer; structured illumination; terahertz beam steering; terahertz imaging; Frequency measurement; Gratings; Lighting; Optical fiber filters; Optical imaging; Silicon;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on
Conference_Location :
Wollongong, NSW
Print_ISBN :
978-1-4673-1598-2
Electronic_ISBN :
2162-2027
DOI :
10.1109/IRMMW-THz.2012.6380399
